Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘tty: ngsm: fix UAF in gsmcleanupmux’” This reversion involves commit 9b9c8195f3f0d74a826077fc1c01b9ee74907239. The above commit was reverted because it did not solve the original issue. The function gsmcleanupmux attempt...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005150)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005150 advisory. In the Linux kernel, the following vulnerability has been resolved: tty: ngsm: Fix use-after-free in gsmcleanupmux BUG: KASAN: slab-use-after-free in...

ROS-20260113-7358

A vulnerability in the gsmcleanupmux function in the drivers/tty/ngsm.c module of the Linux kernel is related to the reuse of previously freed memory. Exploitation of the vulnerability may allow an intruder to affect confidentiality, integrity and availability of protected information...

ROS-20260112-7302

A vulnerability in the gsmcleanupmux function of the Linux kernel NGSM driver is related to the reuse of previously freed memory due to competitive access to a resource "Race Situation". Exploitation of the vulnerability may allow an attacker to escalate his privileges...

EUVD-2023-60101

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2023-53805 tty: n_gsm: fix UAF in gsm_cleanup_mux

In the Linux kernel, the following vulnerability has been resolved: tty: ngsm: fix UAF in gsmcleanupmux In gsmcleanupmux the 'gsm-dlci' pointer was not cleaned properly, leaving it a dangling pointer after gsmdlcirelease. This leads to use-after-free where 'gsm-dlci0' are freed and accessed by th...

CVE-2023-53805

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PT-2025-49665

In the Linux kernel, the following vulnerability has been resolved: tty: n gsm: fix UAF in gsm cleanup mux In gsm cleanup mux the 'gsm-dlci' pointer was not cleaned properly, leaving it a dangling pointer after gsm dlci release. This leads to use-after-free where 'gsm-dlci0' are freed and accesse...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-423128)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-423128 advisory. In the Linux kernel, the following vulnerability has been resolved: Revert tty: ngsm: fix UAF in gsmcleanupmux This reverts commit...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: tty: ngsm: Fixed a use-after-free in gsmcleanupmux. Bug: KASAN: Slab-use-after-free in gsmcleanupmux+0x77b/0x7b0. drivers/tty/ngsm.c:3160 ngsm A size 8 read at address ffff88815fe99c00 by task poc/3379. CPU: 0; UID: 0; PID:...

tty: n_gsm: Fix use-after-free in gsm_cleanup_mux

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SUSE CVE-2024-50073

In the Linux kernel, the following vulnerability has been resolved: tty: ngsm: Fix use-after-free in gsmcleanupmux BUG: KASAN: slab-use-after-free in gsmcleanupmux+0x77b/0x7b0 drivers/tty/ngsm.c:3160 ngsm Read of size 8 at addr ffff88815fe99c00 by task poc/3379 CPU: 0 UID: 0 PID: 3379 Comm: poc N...

AZL-52070 CVE-2024-50073 affecting package kernel for versions less than 6.6.64.2-1

In the Linux kernel, the following vulnerability has been resolved: tty: ngsm: Fix use-after-free in gsmcleanupmux BUG: KASAN: slab-use-after-free in gsmcleanupmux+0x77b/0x7b0 drivers/tty/ngsm.c:3160 ngsm Read of size 8 at addr ffff88815fe99c00 by task poc/3379 CPU: 0 UID: 0 PID: 3379 Comm: poc N...

DEBIAN-CVE-2024-50073

In the Linux kernel, the following vulnerability has been resolved: tty: ngsm: Fix use-after-free in gsmcleanupmux BUG: KASAN: slab-use-after-free in gsmcleanupmux+0x77b/0x7b0 drivers/tty/ngsm.c:3160 ngsm Read of size 8 at addr ffff88815fe99c00 by task poc/3379 CPU: 0 UID: 0 PID: 3379 Comm: poc N...

PT-2024-8240

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.11.0+ Description: The issue is related to a use-after-free vulnerability in the gsm cleanup mux function in the Linux kernel. This vulnerability can be exploited by an attacker to impact the confidentiality,...

DEBIAN-CVE-2023-52872

In the Linux kernel, the following vulnerability has been resolved: tty: ngsm: fix race condition in status line change on dead connections gsmcleanupmux cleans up the gsm by closing all DLCIs, stopping all timers, removing the virtual tty devices and clearing the data queues. This procedure,...

The vulnerability of the gsm_cleanup_mux function in the Linux operating system allows a hacker to execute arbitrary code.

The vulnerability of the gsmcleanupmux function in the Linux operating system is related to pointer arithmetic errors. Exploiting this vulnerability could allow an attacker to execute arbitrary code...

SUSE CVE-2023-52564

In the Linux kernel, the following vulnerability has been resolved: Revert "tty: ngsm: fix UAF in gsmcleanupmux" This reverts commit 9b9c8195f3f0d74a826077fc1c01b9ee74907239. The commit above is reverted as it did not solve the original issue. gsmcleanupmux tries to free up the virtual ttys by...